Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 2.07
Milk (kg) -56.00 -0.014 0.78
Fat (kg) -1.62 -0.375 0.61
Prot (kg) -1.53 -0.441 0.68
Fertility Sub Index 1.84
Calving Interval (days) -0.55 -1.459 0.80
Survival (%) 0.93 1.117 1.04
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.60
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) -1.63 -0.432 0.70
Maintenance Sub Index Maint. Sub Index 6.04
Live WT (kg) -19.70 -0.307 6.04
Total Carbon Sub Index 16.24

* Based on an €80/tonne carbon price